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# MediaSessionManager.OnActiveSessionsChangedListener

`public static interface MediaSessionManager.OnActiveSessionsChangedListener`
``

android.media.session.MediaSessionManager.OnActiveSessionsChangedListener

Listens for changes to the list of active sessions. This can be added using `MediaSessionManager.addOnActiveSessionsChangedListener(MediaSessionManager.OnActiveSessionsChangedListener, ComponentName)`.

## Summary

### Public methods
`abstract void` | `onActiveSessionsChanged(List<MediaController> controllers)`

## Public methods

### onActiveSessionsChanged

    public abstract void onActiveSessionsChanged (List<MediaController> controllers)

Parameters
`controllers` | `List`: This value may be `null`.

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